Quote:
Originally Posted by spearfish25
When you change gears, a synchro must match input and output shaft speeds to get the gears to align. A synchro is a chamfered ring that helps the two shafts match speeds as one slowly engages the chamfer. If you skip gears, you have a larger disparity in input and output shaft speeds, and that burden is put on the synchro to overcome (additional wear). So by sequentially rather than skip shifting, you make the synchro's work easier.
You can safely skip shift if you double clutch. By double clutching, you manually match input and output shaft speeds and negate the need for a synchro. This is how guys who killed their synchros continued driving and how EVERYONE drove before a synchromesh gearbox.
The beauty of SRM is that it allows a perfect 6-4 double clutch downshift and even does the blip for you.
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I have skipped gears for years on my manuals and never had any transmission problems, but then again I'm at low RPM and doing what you call "double clutching" (sometimes pulling in and out of gears without the clutch) 1-3, 3-5, or 2-4, 4-6. I do not do this with hard launches or high RPMS. No problems ever.
Funny thing is they mention the same thing on other car websites and drivers argue they never have problems with the synchros
